From: Jeff Moyer <jmoyer@redhat.com>
To: Paolo Valente <paolo.valente@linaro.org>
Cc: Jens Axboe <axboe@kernel.dk>, Tejun Heo <tj@kernel.org>,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
ulf.hansson@linaro.org, linus.walleij@linaro.org,
broonie@kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH BUGFIX] block: add missing group association in bio_split
Date: Mon, 09 May 2016 10:35:58 -0400 [thread overview]
Message-ID: <x4937pr70z5.fsf@segfault.boston.devel.redhat.com> (raw)
In-Reply-To: <x49bn4f71qi.fsf@segfault.boston.devel.redhat.com> (Jeff Moyer's message of "Mon, 09 May 2016 10:19:33 -0400")
Jeff Moyer <jmoyer@redhat.com> writes:
> Paolo Valente <paolo.valente@linaro.org> writes:
>
>> @@ -1811,6 +1811,11 @@ struct bio *bio_split(struct bio *bio, int sectors,
>>
>> bio_advance(bio, split->bi_iter.bi_size);
>>
>> +#ifdef CONFIG_BLK_CGROUP
>> + if (bio->bi_css)
>> + bio_associate_blkcg(split, bio->bi_css);
>> +#endif
>> +
>> return split;
>> }
>> EXPORT_SYMBOL(bio_split);
>
> Get rid of the #ifdefery. This should be just:
>
> bio_associate_blkcg(split, bio->bi_css);
Gah, I see that the bi_css member is only present for CONFIG_BLK_CGROUP.
I guess we'll have to live with the ifdef.
-Jeff
next prev parent reply other threads:[~2016-05-09 14:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-06 20:45 [PATCH BUGFIX] block: add missing group association in bio_split Paolo Valente
2016-05-09 14:19 ` Jeff Moyer
2016-05-09 14:35 ` Jeff Moyer [this message]
2016-05-09 14:39 ` Paolo
2016-05-09 14:55 ` Jens Axboe
2016-05-09 14:56 ` Mark Brown
2016-05-09 17:58 ` Jens Axboe
2016-05-09 15:20 ` Tejun Heo
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